import {login, logout, getInfo} from '@/api/user'
import {getToken, setToken, removeToken} from '@/utils/auth'
import {resetRouter} from '@/router'

const user = {
  namespaced: true,
  state: {
    token: getToken(),
    name: '',
    avatar: ''
  },

  mutations: {
    RESET_STATE: (state) => {
      Object.assign(state, this.state)
    },
    SET_TOKEN: (state, token) => {
      state.token = token
    },
    SET_NAME: (state, name) => {
      state.name = name
    },
    SET_AVATAR: (state, avatar) => {
      state.avatar = avatar
    }
  },

  actions: {
    // user login
    login({commit}, userInfo) {
      const {username, password} = userInfo
      return new Promise((resolve, reject) => {
        login({username: username.trim(), password: password}).then(response => {
          const {data} = response
          commit('SET_TOKEN', data.token)
          setToken(data.token)
          resolve()
        }).catch(error => {
          reject(error)
        })
      })
    },

    // get user info
    getInfo({commit, state}) {
      return new Promise((resolve, reject) => {
        getInfo(state.token).then(response => {
          const {data} = response

          if (!data) {
            return reject('Verification failed, please Login again.')
          }

          const {name, avatar} = data

          commit('SET_NAME', name)
          commit('SET_AVATAR', avatar)
          resolve(data)
        }).catch(error => {
          reject(error)
        })
      })
    },

    // user logout
    logout({commit, state}) {
      return new Promise((resolve, reject) => {
        logout(state.token).then(() => {
          removeToken() // must remove  token  first
          resetRouter()
          commit('RESET_STATE')
          resolve()
        }).catch(error => {
          reject(error)
        })
      })
    },

    // remove token
    resetToken({commit}) {
      return new Promise(resolve => {
        removeToken() // must remove  token  first
        commit('RESET_STATE')
        resolve()
      })
    }
  }

}

export default user


